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Noun: aviation  ,ey-vee'ey-shun
  1. (military) the aggregation of a country's military aircraft
    - air power
     
  2. The operation of aircraft to provide transportation
     
  3. The art of operating aircraft
    - airmanship
     
  4. Travel via aircraft
    "aviation involves too much waiting in airports";
    - air travel, air

Derived forms: aviations

Type of: accumulation, aggregation, art, artistry, assemblage, collection, industry, prowess, travel, traveling [US], travelling [Brit, Cdn]

Encyclopedia: Aviation, Space, and Environmental Medicine